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https://github.com/patriciogonzalezvivo/thebookofshaders
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22 lines
494 B
Markdown
22 lines
494 B
Markdown
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## Length
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Calculate the length of a vector
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### Declaration
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```glsl
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float length(float x)
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float length(vec2 x)
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float length(vec3 x)
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float length(vec4 x)
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```
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### Parameters
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```x``` specifies a vector of which to calculate the length.
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### Description
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```length()``` returns the length of the vector.
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<div class="codeAndCanvas" data="../07/circle-making.frag"></div>
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### See Also
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[distance()](index.html#distance.md), [normalize()](index.html#normalize.md), [Chapter 07: Shapes](../07/)
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